it8761e_gpio: fix bug in gpio numbering

The SIO chip contains 16 possible gpio lines, not 14.  The schematic was
not read carefully.

Signed-off-by: Denis Turischev <denis@compulab.co.il>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/gpio/it8761e_gpio.c b/drivers/gpio/it8761e_gpio.c
index 753219c..41a9388 100644 (file)
--- a/drivers/gpio/it8761e_gpio.c
+++ b/drivers/gpio/it8761e_gpio.c
@@ -80,8 +80,8 @@ static int it8761e_gpio_get(struct gpio_chip *gc, unsigned gpio_num)
        u16 reg;
        u8 bit;
 
-       bit = gpio_num % 7;
-       reg = (gpio_num >= 7) ? gpio_ba + 1 : gpio_ba;
+       bit = gpio_num % 8;
+       reg = (gpio_num >= 8) ? gpio_ba + 1 : gpio_ba;
 
        return !!(inb(reg) & (1 << bit));
 }
@@ -91,8 +91,8 @@ static int it8761e_gpio_direction_in(struct gpio_chip *gc, unsigned gpio_num)
        u8 curr_dirs;
        u8 io_reg, bit;
 
-       bit = gpio_num % 7;
-       io_reg = (gpio_num >= 7) ? GPIO2X_IO : GPIO1X_IO;
+       bit = gpio_num % 8;
+       io_reg = (gpio_num >= 8) ? GPIO2X_IO : GPIO1X_IO;
 
        spin_lock(&sio_lock);
 
@@ -116,8 +116,8 @@ static void it8761e_gpio_set(struct gpio_chip *gc,
        u8 curr_vals, bit;
        u16 reg;
 
-       bit = gpio_num % 7;
-       reg = (gpio_num >= 7) ? gpio_ba + 1 : gpio_ba;
+       bit = gpio_num % 8;
+       reg = (gpio_num >= 8) ? gpio_ba + 1 : gpio_ba;
 
        spin_lock(&sio_lock);
 
@@ -135,8 +135,8 @@ static int it8761e_gpio_direction_out(struct gpio_chip *gc,
 {
        u8 curr_dirs, io_reg, bit;
 
-       bit = gpio_num % 7;
-       io_reg = (gpio_num >= 7) ? GPIO2X_IO : GPIO1X_IO;
+       bit = gpio_num % 8;
+       io_reg = (gpio_num >= 8) ? GPIO2X_IO : GPIO1X_IO;
 
        it8761e_gpio_set(gc, gpio_num, val);
 
@@ -200,7 +200,7 @@ static int __init it8761e_gpio_init(void)
                return -EBUSY;
 
        it8761e_gpio_chip.base = -1;
-       it8761e_gpio_chip.ngpio = 14;
+       it8761e_gpio_chip.ngpio = 16;
 
        err = gpiochip_add(&it8761e_gpio_chip);
        if (err < 0)